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WordPress themes

CVE-2026-54859

WordPress Preservation theme <= 1.15 - PHP Object Injection vulnerability

Severity
Critical 9.8
Published
29 Oct 2026
Last changed
29 Oct 2026
Added to UpHeron
29 Oct 2026
Sources
CVE Program

Affected software

SoftwareAffected versions
Preservation (WordPress theme)WordPress themes · wp-theme:preservation
  • Every version up to 1.15

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-54859